<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
	    <title>我的第二个网页</title>
	    <link rel="stylesheet" href="">								   
    </head>
	<body>
		<form action="">
			姓名：<input type="text" placeholder="请输入您的姓名"  required="required" pattern="^[\u4e00-\u9fa5]{2,4}$" title="2-4个中文字符" /><br />
			手机号：<input type="tel" placeholder="请输入您的手机号" pattern="^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$" />
			<input type="submit" />
		</form>	
	</body>
</html>
